Remove debug logging

src/main/java/de/jeyp91/tippligaforum/TippligaSQLConnector.java

@@ -186,9 +186,7 @@ public class TippligaSQLConnector {
         try {
             stmt = con.createStatement();
             rset = stmt.executeQuery(queryString);
-        } catch (Exception e) {
-            System.out.println(e.getMessage());
-            e.printStackTrace();
+        } catch (SQLException e) {
             logger.error(e.getStackTrace());
         }
         return rset;